Privacy Policy

Last Updated: 20.05.2022

Here you can find the description of how we collect, use, and handle your personal data when you use our websites.

Storage Location

We store your personal information on our servers which are located in Germany. Germany provides an adequate level of data protection as required by Art 45 (1) GDPR.

Data Controller

The data controller according to Art. 4 (7) GDPR is

SUPREMATIC Technology Arts GmbH
Hospitalstr. 35
70174 Stuttgart

General questions:
Data Protection Officer (Privacy Officer):

Herein “AUTHOR” shall refer to SUPREMATIC Technology Arts GmbH, “PRODUCT” shall refer to “Tennis Cast” developed and provided by SUPREMATIC Technology Arts GmbH, “SERVICES” shall refer to services developed and provided by SUPREMATIC Technology Arts GmbH, “USER” shall refer to you, the user (either as an individual, single entity or group).

Notes on data protection: AUTHOR will treat the personal data you provide with the utmost confidentiality and care, process and use it in strict accordance with the applicable provisions of data protection.

Right of withdrawal:
USER has the right to request information on the data AUTHOR has stored by writing to


1) Information stored locally on a device, such as:

This information is stored in a device memory in database. The information is not uploaded to any online storage without USER's explicit permission.

2) Information is stored on PRODUCT server in a non-persistent (in-memory) storage:

AUTHOR provides no warranty whatsoever with regards to the data consistence.

3) User communication:

When you send emails or other communications to AUTHOR, he may retain those communications, including your name, email address and your device characteristics in order to process your inquiries, respond to your requests and improve PRODUCT.

4) Log information:

PRODUCT automatically records certain information in the system log. Such logs may include information such as your server requests, your interaction with the PRODUCT and third-party services, Internet Protocol address, the date and time of your requests.


PRODUCT does not send USER's contact information (e.g., e-mail) to the 3rd party services.